Microsoft indexing service has upgraded starting windows Vista release and the older indexing service has upgraded into the newer windows search service
However the Indexing service can still be installed on newer versions of windows and here is how
Server Manager
Click Roles
Click Add Roles
Then you need to Select the File Services on the Server Roles Screen
Click next and on the Role Services Screen select indexing service under windows server 2003 file servies
complete the wizard to install the service and you are done.
